42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#include "port/port.h"
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#include "rocksdb/rocksdb_namespace.h"
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namespace ROCKSDB_NAMESPACE {
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// Resource management object for threads that joins the thread upon
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// destruction. Has unique ownership of the thread object, so copying it is not
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// allowed, while moving it transfers ownership.
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class ThreadGuard {
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public:
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ThreadGuard() = default;
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explicit ThreadGuard(port::Thread&& thread) : thread_(std::move(thread)) {}
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ThreadGuard(const ThreadGuard&) = delete;
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ThreadGuard& operator=(const ThreadGuard&) = delete;
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ThreadGuard(ThreadGuard&&) noexcept = default;
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ThreadGuard& operator=(ThreadGuard&&) noexcept = default;
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~ThreadGuard() {
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if (thread_.joinable()) {
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thread_.join();
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}
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}
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const port::Thread& GetThread() const { return thread_; }
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port::Thread& GetThread() { return thread_; }
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private:
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port::Thread thread_;
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};
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} // namespace ROCKSDB_NAMESPACE
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